1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef COMPONENTS_SYNC_DRIVER_GENERIC_CHANGE_PROCESSOR_FACTORY_H_ 6 #define COMPONENTS_SYNC_DRIVER_GENERIC_CHANGE_PROCESSOR_FACTORY_H_ 7 8 #include "base/memory/weak_ptr.h" 9 #include "sync/internal_api/public/base/model_type.h" 10 11 namespace syncer { 12 class AttachmentService; 13 class SyncableService; 14 class SyncMergeResult; 15 struct UserShare; 16 } 17 18 namespace sync_driver { 19 20 class DataTypeErrorHandler; 21 class GenericChangeProcessor; 22 class SyncApiComponentFactory; 23 24 // Because GenericChangeProcessors are created and used only from the model 25 // thread, their lifetime is strictly shorter than other components like 26 // DataTypeController, which live before / after communication with model 27 // threads begins and ends. 28 // The GCP is created "on the fly" at just the right time, on just the right 29 // thread. Given that, we use a factory to instantiate GenericChangeProcessors 30 // so that tests can choose to use a fake processor (i.e instead of injection). 31 // |sync_factory| is used to create AttachmentServicefor GenericChangeProcessor. 32 // It is not retained after CreateGenericChangeProcessor exits. 33 class GenericChangeProcessorFactory { 34 public: 35 GenericChangeProcessorFactory(); 36 virtual ~GenericChangeProcessorFactory(); 37 virtual scoped_ptr<GenericChangeProcessor> CreateGenericChangeProcessor( 38 syncer::ModelType type, 39 syncer::UserShare* user_share, 40 DataTypeErrorHandler* error_handler, 41 const base::WeakPtr<syncer::SyncableService>& local_service, 42 const base::WeakPtr<syncer::SyncMergeResult>& merge_result, 43 SyncApiComponentFactory* sync_factory); 44 45 private: 46 DISALLOW_COPY_AND_ASSIGN(GenericChangeProcessorFactory); 47 }; 48 49 } // namespace sync_driver 50 51 #endif // COMPONENTS_SYNC_DRIVER_GENERIC_CHANGE_PROCESSOR_FACTORY_H_ 52